Stage Stores, operator of six department banners representing 738 doors across 42 states, filed for Chap. 11 on May 10, becoming the third U.S. retailer after J. Crew and Neiman Marcus to file for bankruptcy protection this month. Stage, which operates banners including Bealls and Goody’s, will begin liquidation sales at 550 locations on Friday followed by remaining stores at a later date.